UN Climate Summit: A 'game-changer' for global warming?

[news]

http://i.cbc.ca/1.2775771.1411508858!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_460/usa-climatechange-march.jpg UN member states readily took up Secretary General Ban Ki-moon's challenge to take action against climate change by announcing pledges and committing funds. But once the brouhaha fades, will concrete steps against global warming still be taken?


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